Expanded Means-Plus-Function Analysis Presents New Opportunities and Challenges

The Federal Circuit's <i>en banc</i> decision in <i>Williamson v. Citrix Online</i> expanded the potential application of 35 U.S.C. §112, ¶6, making it more likely that functional claim language will be construed as a means-plus-function limitation even in the absence of the word "means." This article discusses recent decisions applying <i>Williamson</i> and provides practical insights and strategies for patent owners and accused infringers to consider when addressing the expanded application of §112, ¶6.

35 minute read December 01, 2016 at 03:30 PM
By
Joshua D. Curry and Kate E. Hart
Expanded Means-Plus-Function Analysis Presents New Opportunities and Challenges

The Federal Circuit's en banc decision in Williamson v. Citrix Online, LLC, 792 F.3d 1339 (Fed. Cir. 2015), expanded the potential application of 35 U.S.C. §112, ¶6, making it more likely that functional claim language will be construed as a means-plus-function limitation even in the absence of the word “means.”

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